Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong lang » cong vang, cong luong, cong quang
hanh dan » thanh dan, hanh san, canh dan
ca trong » cay trong, cad trong, co trong
lang van » dang van, tang van, hoang van
van tan » van tuan, van ban, van tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu sach) or (chieu tinh)) - hanh dan ca trong cong lang van tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu sach) OR (chieu tinh)) - hanh dan ca trong cong lang van tan*.